diff --git a/server/src/wled_controller/static/js/app.js b/server/src/wled_controller/static/js/app.js
index 282f496..c7df8f2 100644
--- a/server/src/wled_controller/static/js/app.js
+++ b/server/src/wled_controller/static/js/app.js
@@ -110,7 +110,7 @@ import {
 // Layer 5: audio sources
 import {
     showAudioSourceModal, closeAudioSourceModal, saveAudioSource,
-    editAudioSource, cloneAudioSource, deleteAudioSource, onAudioSourceTypeChange,
+    editAudioSource, cloneAudioSource, deleteAudioSource,
 } from './features/audio-sources.js';
 
 // Layer 5: value sources
@@ -343,7 +343,6 @@ Object.assign(window, {
     editAudioSource,
     cloneAudioSource,
     deleteAudioSource,
-    onAudioSourceTypeChange,
 
     // value sources
     showValueSourceModal,
diff --git a/server/src/wled_controller/templates/modals/audio-source-editor.html b/server/src/wled_controller/templates/modals/audio-source-editor.html
index c35a6cf..2e83944 100644
--- a/server/src/wled_controller/templates/modals/audio-source-editor.html
+++ b/server/src/wled_controller/templates/modals/audio-source-editor.html
@@ -21,18 +21,8 @@
                     <input type="text" id="audio-source-name" data-i18n-placeholder="audio_source.name.placeholder" placeholder="System Audio" required>
                 </div>
 
-                <!-- Type -->
-                <div class="form-group">
-                    <div class="label-row">
-                        <label for="audio-source-type" data-i18n="audio_source.type">Type:</label>
-                        <button type="button" class="hint-toggle" onclick="toggleHint(this)" title="?" data-i18n-aria-label="aria.hint">?</button>
-                    </div>
-                    <small class="input-hint" style="display:none" data-i18n="audio_source.type.hint">Multichannel captures all channels from a physical audio device. Mono extracts a single channel from a multichannel source.</small>
-                    <select id="audio-source-type" onchange="onAudioSourceTypeChange()">
-                        <option value="multichannel" data-i18n="audio_source.type.multichannel">Multichannel</option>
-                        <option value="mono" data-i18n="audio_source.type.mono">Mono</option>
-                    </select>
-                </div>
+                <!-- Type (hidden — determined by which add button was clicked) -->
+                <input type="hidden" id="audio-source-type" value="multichannel">
 
                 <!-- Multichannel fields -->
                 <div id="audio-source-multichannel-section">